Demonstrates how to show an AlertDialog that is managed by a Fragment. : Dialog « UI « Android

1. Android
2. UI
3. Dialog

Demonstrates how to show an AlertDialog that is managed by a Fragment.

  
/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package app.test;


import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

/**
 * Demonstrates how to show an AlertDialog that is managed by a Fragment.
 */
public class Test extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        View tv = findViewById(R.id.text);
        ((TextView)tv).setText("Example of displaying an alert dialog with a DialogFragment");

        // Watch for button clicks.
        Button button = (Button)findViewById(R.id.show);
        button.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                showDialog();
            }
        });
    }


    void showDialog() {
        DialogFragment newFragment = MyAlertDialogFragment.newInstance(1);
        newFragment.show(getFragmentManager(), "dialog");
    }

    public void doPositiveClick() {
        // Do stuff here.
        Log.i("FragmentAlertDialog", "Positive click!");
    }
    
    public void doNegativeClick() {
        // Do stuff here.
        Log.i("FragmentAlertDialog", "Negative click!");
    }

    

    public static class MyAlertDialogFragment extends DialogFragment {

        public static MyAlertDialogFragment newInstance(int title) {
            MyAlertDialogFragment frag = new MyAlertDialogFragment();
            Bundle args = new Bundle();
            args.putInt("title", title);
            frag.setArguments(args);
            return frag;
        }
        
        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {
            int title = getArguments().getInt("title");
            
            return new AlertDialog.Builder(getActivity())
                    .setIcon(R.drawable.icon)
                    .setTitle(title)
                    .setPositiveButton("R.string.alert_dialog_ok",
                        new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int whichButton) {
                                ((Test)getActivity()).doPositiveClick();
                            }
                        }
                    )
                    .setNegativeButton("R.string.alert_dialog_cancel",
                        new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int whichButton) {
                                ((Test)getActivity()).doNegativeClick();
                            }
                        }
                    )
                    .create();
        }
    }

}
//main.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2010 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<!-- Top-level content view for the simple fragment sample. -->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:padding="4dip"
    android:gravity="center_horizontal"
    android:layout_width="match_parent" android:layout_height="match_parent">

    <TextView
            android:id="@+id/text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:layout_gravity="center_vertical|center_horizontal"
            android:textAppearance="?android:attr/textAppearanceMedium"
            android:gravity="top|center_horizontal" />

    <Button android:id="@+id/show"
        android:layout_width="wrap_content" android:layout_height="wrap_content"
        android:layout_weight="0"
        android:text="show">
        <requestFocus />
    </Button>

</LinearLayout>

   
    
  

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